"much less" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "much less",
      "name": "en-con"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1927-29, M.K. Gandhi, The Story of My Experiments with Truth, translated 1940 by Mahadev Desai, Part I, Chapter xxi",
          "text": "Of the thing that sustains him through trials man has no inkling, much less knowledge, at the time."
        }
      ],
      "glosses": [
        "Let alone; to say nothing of."
      ],
      "id": "en-much_less-en-conj-82Q0Vi~z",
      "links": [
        [
          "Let alone",
          "let alone"
        ],
        [
          "to say nothing of",
          "to say nothing of"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Let alone; to say nothing of."
      ],
      "synonyms": [
        {
          "word": "let alone"
        },
        {
          "word": "not to mention"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "ar",
          "lang": "Arabic",
          "roman": "nāhīka ʕan",
          "sense": "let alone",
          "word": "نَاهِيكَ عَن"
        },
        {
          "code": "br",
          "lang": "Breton",
          "sense": "let alone",
          "word": "ne lavaran ket"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "let alone",
          "word": "更不用說"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "gèng bùyòng shuō",
          "sense": "let alone",
          "word": "更不用说"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "let alone",
          "word": "何況"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "hékuàng",
          "sense": "let alone",
          "word": "何况"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "let alone",
          "word": "vielä vähemmän"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "let alone",
          "word": "nemhogy"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "let alone",
          "word": "meno che meno"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "mashiteya",
          "sense": "let alone",
          "word": "況してや"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "let alone",
          "word": "nie mówiąc już (o)"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "let alone",
          "word": "a co dopiero"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "let alone",
          "word": "a tym bardziej"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "let alone",
          "word": "nemai vorbind"
        },
        {
          "code": "gd",
          "lang": "Scottish Gaelic",
          "sense": "let alone",
          "word": "gun luaidh"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "let alone",
          "word": "än mindre"
        }
      ]
    }
  ],
  "word": "much less"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "much less",
      "name": "en-con"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "English conjunctions",
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "Mandarin terms with redundant transliterations"
      ],
      "examples": [
        {
          "ref": "1927-29, M.K. Gandhi, The Story of My Experiments with Truth, translated 1940 by Mahadev Desai, Part I, Chapter xxi",
          "text": "Of the thing that sustains him through trials man has no inkling, much less knowledge, at the time."
        }
      ],
      "glosses": [
        "Let alone; to say nothing of."
      ],
      "links": [
        [
          "Let alone",
          "let alone"
        ],
        [
          "to say nothing of",
          "to say nothing of"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Let alone; to say nothing of."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "let alone"
    },
    {
      "word": "not to mention"
    }
  ],
  "translations": [
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "nāhīka ʕan",
      "sense": "let alone",
      "word": "نَاهِيكَ عَن"
    },
    {
      "code": "br",
      "lang": "Breton",
      "sense": "let alone",
      "word": "ne lavaran ket"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "let alone",
      "word": "更不用說"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "gèng bùyòng shuō",
      "sense": "let alone",
      "word": "更不用说"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "let alone",
      "word": "何況"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "hékuàng",
      "sense": "let alone",
      "word": "何况"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "let alone",
      "word": "vielä vähemmän"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "let alone",
      "word": "nemhogy"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "let alone",
      "word": "meno che meno"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "mashiteya",
      "sense": "let alone",
      "word": "況してや"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "let alone",
      "word": "nie mówiąc już (o)"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "let alone",
      "word": "a co dopiero"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "let alone",
      "word": "a tym bardziej"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "let alone",
      "word": "nemai vorbind"
    },
    {
      "code": "gd",
      "lang": "Scottish Gaelic",
      "sense": "let alone",
      "word": "gun luaidh"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "let alone",
      "word": "än mindre"
    }
  ],
  "word": "much less"
}